static enum aws_cryptosdk_sha_version aws_cryptosdk_which_sha()

in source/cipher.c [239:254]

• 16 lines of code
• 12 McCabe index (conditional complexity)

static enum aws_cryptosdk_sha_version aws_cryptosdk_which_sha(enum aws_cryptosdk_alg_id alg_id) {
    switch (alg_id) {
        case ALG_AES256_GCM_HKDF_SHA512_COMMIT_KEY_ECDSA_P384:
        case ALG_AES256_GCM_HKDF_SHA512_COMMIT_KEY: return AWS_CRYPTOSDK_SHA512;
        case ALG_AES256_GCM_IV12_TAG16_HKDF_SHA384_ECDSA_P384:
        case ALG_AES192_GCM_IV12_TAG16_HKDF_SHA384_ECDSA_P384: return AWS_CRYPTOSDK_SHA384;
        case ALG_AES128_GCM_IV12_TAG16_HKDF_SHA256_ECDSA_P256:
        case ALG_AES256_GCM_IV12_TAG16_HKDF_SHA256:
        case ALG_AES192_GCM_IV12_TAG16_HKDF_SHA256:
        case ALG_AES128_GCM_IV12_TAG16_HKDF_SHA256: return AWS_CRYPTOSDK_SHA256;
        case ALG_AES256_GCM_IV12_TAG16_NO_KDF:
        case ALG_AES192_GCM_IV12_TAG16_NO_KDF:
        case ALG_AES128_GCM_IV12_TAG16_NO_KDF:
        default: return AWS_CRYPTOSDK_NOSHA;
    }
}